UNIT6SECTIONB1A1E课件人教版九年级英语全册

Whenwasitinvented?Unit6SectionB1a-1e学习目标通过分类、对比，能用crispy,salty,sour,sweet表达食物味道；通过同伴对话，能用Whenwas...invented？/Wherewas...invented?/Whoinvented...?/Howwas...invented?等疑问句对食物发明的过程进行复述。通过阅读题干已知信息，能够预测听力内容，听懂相关话题的简短对话，提高运用策略的意识。通过与他人对话以及听写材料关键词，能善于观察身边食物，知道发明也可以从身边小事物开始。CreativeinventionsCreativeinventionscomefromsmallthingsinlife.FreetalkWhatkindoffooddoyou

likebest？Howdoesittaste？ClassificationoftastesoursweetbitterspicyHowdoyoudescribethetasteofthisstuff?crispy/'krɪspi/salty/'sɔlti/Classificationoftastesoursweetbitterspicycrispy/'krɪspi/salty/'sɔlti/Whatotherfoodscanyounameforeachflavor？Let’sconnectsweetsourcrispysaltyDoyouthinkpotatochipsareaninvention?Ithinkit'saninvention.Doyouknowhowpotatochipswereinvented?Idon’tknow.Look!Whatisthisboydoing?Heiseatingpotatochips.Let’spredict.1.Whataretheytalkingabout?1.根据图片预测听力内容，猜测文章大意。2.泛听文章大意。2.Whenwerepotatochipsinvented?

3.Whoinventedpotatochips?Let’slistenandchoose.4.Howwerepotatochipsinvented?Becauseofthespecialneedsofcustomers.B.BecauseGeorgewasangry.C.Becausethey’recrispyandsalty.精听：对文章细节内容再次梳理

——what,when,who,how。1.Whataretheytalkingabout?A.Howpotatochipswereinvented.B.WhyGeorgewasangry.C.Whenpotatochipswereinvented.2.Whenwerepotatochipsinvented?A.In1835.B.In1853.C.In1385.3.Whoinventedpotatochips?A.Acustomer.B.Arestaurant.C.Acook.TFTFTFTFTFTFLet’slistenandchoose.1c1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.Listenagainandcomplete.精听：利用思维导图引导学生建立对听力文本的整体思维，以及重点短语词组的记忆。A:Acustomer_________hisplateoffriedpotatoes,becausetheywere____________.Georgecutthepotatoesreally,really______.Andhecookedthemfor___________untiltheywere________.Heputlotsofsaltonthemsotheywerereally_______.Howdidthepotatochipstaste?Whoinventedpotatochips?Whenwerepotatochipsinvented?Whywerepotatochipsinvented?TheHistoryofPotatochipsWhoWhenHowWhoWhysentbackcuttoothickthinalongtimecrispysalty1dGeorgeCrumIn1853Crispyandsalty—————————————————————Let’stalk.1eLet’sretellthestory.Howdidthepotatochipstaste?Whoinventedpotatochips?Whenwerepotatochipsinvented?Whywerepotatochipsinvented?TheHistoryofPotatochipsWhenHowWhoWhyModelessayDoyouknowhowpotatochipswereinvented?Potatochipswereinventedby…Let’stalk.Doyouknowwhattheseare?Howweretheyinvented?Let’stalk.Who:

FrankWhy:

Hissoda-makingtoolwasoutsideallnight.Thenextday,thestickusedtostirthesodaandsomespice[/spaɪs/]waterwerefrozentogetherWhen:

in1905What:

popsicleHow:

sweet,icypopsicleModelconversationA:Didyouknowpopsicleswereinventedbymistake?B:Wow.Ihavenoidea.Whendidithappen?A:Itwasinventedbackin1905.B:Whoinventedpopsicles?A:TheywereinventedbyaboynamedFrank.B:Whywerepopsiclesinvented?A:Oneday,Franklefthissoda-makingtooloutsideallnight.Thenextday,

thestickusedtostirthesodaandsomespice

waterwerefrozentogether.

Thatwasthefirstpopsicle.B:Howdidthepopsiclestaste?A:Itwasicyandsweet.Let’sdiscuss.cookieWho:

aGermanbakerWhy:

AGermanbakerfellinlovewithabeautifulgirlnamedKoekje.Koekjelikedrosesandcrispycookies.Hetrieddayandnighttomakeacrispybiscuitwithroses,andwasdeeplymovedwhenthegirlreceivedthecookie.When:inthe20thcenturyWhat:

cookieHow:sweet,salty,crispyLet’sdiscuss.TofuWho:

LiuAn,kingofHuainanintheWesternHanDynastyWhy:

LiuAnhadbeenthinkinghowtoliveforever.WhenLiuAnwasmakingelixir,thesoymilkwassprinkledontheplasterforforgingelixir,thestonepastesolidifiesintotofu.When:inWesternHanDynastyWhat:

TofuHow:tasty,softLet’sdiscuss.yogurtWho:AfarmerWhy:

Sheepmilkoftengoesbadduringstorage,whichiscausedbybacteria[bæk‘tɪrɪə]

contaminating污染

[kənˈtæmɪneɪtɪŋ]themilk.

Butoncetheyeast酵母[jist]intheairoccasionallyenteredthegoat’smilk,causingthegoat’smilktochangeandbecomemoresourandsweeter.

When:before3000BCWhat:

yogurtHow:sour,sweetLet’sdiscuss.sandwichWho:

JohnMontaguWhy:Hewasa

gamblerandhadnotimetoeat,sohecameupwiththeideaofputtingmeatorvegetablesbetweentwoslicesofbreadsothathewouldn’tgetoilonhishandswhenheatethemeat,andhewouldn’tneedaforktoputmoreeffortintopickingupthefood,whichwoulddistracthimfromallhisgambling.

When:inthe18thcenturyWhat:

sandwichHow:salty,juicyLet’scheck.评价内容12345能用Whenwas...invented?/Wherewas...invented?/Whoinvented...?/Howwas...invented?等疑问句对食物发明的过程进行复述。能够阅读题干已知信息，使用关键词预测听力内容，并能够听懂相关话题的简短对话。能理解创意来源于生活。mistakeLet’sstudy.中n:错误，误会；v:弄错，犯错例Youhavemadeamistake.拓makeamistake出错mistake...for...错把...当做...bymistake错误地Let’sstudy.练别再犯如此愚蠢的错误了，否则你只能另谋高就了。Don’t__________________________________,oryouwillhavetofindanotherjob.[2013湖北黄石]抱歉，我错拿了你的包。Sorry,Itookyourbag____________.makesuchasillymistakeanymorebymistakeChoosethecorrectanswers.1.Momaddedsalttothesoup,butitstillwasn’t_____.A.

enoughsweet B.sweetenoughC.saltyenough D.enoughsalty2.Thiskindofsoupshouldbeboiled_____alongtime.A.for B.in C.with D.at3.Holdontoyourdreams,andtheymaycometrue_____.A.attheend B.bytheendC.intheend D.ontheend4.Iknowthatpotatochips______byGeorgeCrum.A.invented B.wasinventedC.areinvented D.wereinventedOnedayin1946,anAmericanlaymannamedSpencerwasdoingaradar-relatedexperiment.Suddenly,acolleaguefoundsomethingsimilartobloodinthepocketofSpencer'sjacket,soheyelled:"Spencer,youareinjured!"Spencerwasalsotakenaback.Aftertakingoffhisjacket,herealizedthatitwasinhisjacketpocket.Thepieceofchocolatemelted.Mostpeoplemightthinkthatitwashisbodytemperaturethatmadethechocolatemelt,butSpencerboldlyproposedamorescientificideaafterrepeatedthinking:itisthemicrowaveinvisibletothenakedeyethatworksintheexperiment.Sohebegantoverifyhisconjecture.Spencertookabagofpopcornkernels[ˈkɜːnlz](谷粒),placedthemnearthemagnetron[ˈmæɡnɪtrɒn](